Finding the Fourth Proportional to 1,757,968,015.80, 2,637,371,927.70 and 531,148,495.80
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Solution
The fourth proportional to 1,757,968,015.80, 2,637,371,927.70 and 531,148,495.80 is: 796,849,612.55
Step by Step Solution
- Step 1: Write the proportion equation
1,757,968,015.80 : 2,637,371,927.70 = 531,148,495.80 : x - Step 2: Convert to fraction form
1,757,968,015.80/2,637,371,927.70 = 531,148,495.80/x - Step 3: Cross multiply
1,757,968,015.80x = 2,637,371,927.70 × 531,148,495.80 - Step 4: Simplify right side
1,757,968,015.80x = 1,400,836,132,263,001,344 - Step 5: Solve for x
x = 1,400,836,132,263,001,344/1,757,968,015.80 - Step 6: Final answer
x = 796,849,612.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.